We found the following behavior in Intel MPI (5.0.3) using both the intel compilers and gcc: In an OpenMP-MPI environment, the performance of MPI_Comm_rank goes down if MPI is initialized using MPI_THREAD_MULTIPLE. I attach two files to show the behavior. They can be compiled...
W.: Test Suite for Evaluating Performance of MPI Implementations That Support MPI THREAD MULTIPLE - Thakur, Gropp - 2007 () Citation Context ...t suite that can be used to verify the thread safety of MPI implementations. We are also developing a test suite for evaluating the performance of ...
We found the following behavior in Intel MPI (5.0.3) using both the intel compilers and gcc: In an OpenMP-MPI environment, the performance of MPI_Comm_rank goes down if MPI is initialized using MPI_THREAD_MULTIPLE. I attach two files to show the behavior. They can be compiled...
Gropp, "Test Suite for Evaluat- ing performance of MPI Implementations That Support MPI THREAD MULTIPLE," in Recent Advances in Parallel Virtual Machine and Message Passing Interface. Springer, 2007, pp. 46-55.Thakur. R., Gropp, W.: Test suite for evaluating performance of MPI implementations ...